828 Solanaceae Physalis 



7401. PHYSALIS L. Groundcherry 



All Indiana records for Physalis, except the more recent ones, should be ignored 

 because most of them were made while the species as now understood were treated as 

 aggregates by the older manuals. 



Peduncles glabrous. (See excluded species no. 551, p. 1087) P. angulata. 



Peduncles pubescent. 



Pubescence of peduncles appressed; calyx lobes short, deltoid-ovate. 



Pubescence of peduncles upwardly appressed; anthers bluish. ...1. P. subglabrata. 

 Pubescence of peduncles downwardly appressed. (See excluded species no. 552, 



p. 1087) P. ixocarpa. 



Pubescence of peduncles spreading, sometimes some of the hairs more or less curved 

 toward the apex but not appressed; calyx lobes of a lanceolate type. 

 Leaves narrowed more or less at the base, lanceolate to ovate-lanceolate or 

 oblanceolate; perennials. 

 Blades usually 2-6 cm long. 



Fruiting calyx obtusely 5-angled and deeply sunken at the base; leaves usually 

 lanceolate, sometimes of an ovate type, entire, undulate or rarely toothed; 

 margins of the calyx lobes densely ciliate with hairs less than 0.5 mm 



long without intervening long hairs 2. P. virginiana. 



Fruiting calyx scarcely angled and scarcely sunken at the base; leaves 

 oblanceolate or spatulate, subentire or rarely undulate. (See excluded 



species no. 553, p. 1087) P. lanceolata. 



Blades usually 6-12 cm long; margins of calyx lobes densely ciliate with short 



hairs with the addition of a few hairs about 1 mm long 3. P. nyctaginea. 



Leaves rounded, truncate or subcordate at the base, broadly ovate; annuals or 

 perennials. 

 Annuals; anthers bluish, 1-2 mm long; filaments not dilated. 



Stem sharply angled; leaf blades short-acuminate at the apex, rounded at the 

 base, margin entire, undulate or with a few blunt teeth, the margin never 

 toothed to the base of the blade; corolla usually 10-12 mm in diameter, 



the limb recurving; anthers blue, generally 1.5-2 mm long 



4. P. pubescens. 



Stem obtusely angled; blades thicker, acute or obtuse at the apex, cordate at 

 the base, the margins of most of the blades more or less strongly sinuate- 

 toothed to the base; anthers blue, generally 1-1.5 mm long. .5. P. pruinosa. 

 Perennials; anthers greenish white or greenish yellow, often turning bluish 

 after anthesis or rarely blue, about 3 mm long; filaments blue, dilated 

 above. 

 Upper part of plant densely pubescent with short, terete, glandular hairs 

 about 0.5 mm long, with a few much longer, flat, jointed, often glandular 

 hairs, the long hairs generally more numerous on the lower part of 



the stem; anthers yellow Q- P- heterophylla. 



Upper part of plant densely pubescent with long, flat, jointed, sometimes 

 glandular hairs, lacking the short, terete, glandular hairs; anthers yel- 

 lowish white, turning purplish after anthesis 7. P. ambigua. 



1. Physalis subglabrata Mack. & Bush. Smooth Groundcherry. Map 

 1797. A frequent to common weed in cultivated ground, fallow ground, 

 clover fields, waste places, open woods, and pastures and along roadsides 

 and railroads. By far the most common groundcherry of the state. 



R. I., Ont. and Minn., southw. to Ga. and Colo. 



2. Physalis virginiana Mill. VIRGINIA GROUNDCHERRY. Map 1798. 

 Plants of dry, usually very sandy soil. Found mostly in railroad ballast, 

 fallow fields, open wooded slopes, and along roadsides. 



N. Y., Ont. to Man., southw. to Fla. and Tex. 



